Analysis

  • max time kernel
    119s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    09-05-2024 01:19

General

  • Target

    2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe

  • Size

    760KB

  • MD5

    91592318966139c15e0171f341882fc8

  • SHA1

    a6689f85a42ce934c3e96a9088f67c48e2e1fe83

  • SHA256

    2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f

  • SHA512

    abfd94393776b2fc7aa418f66487813a78c18b4704a3e9fd15d0ae99f9b8a28ee7dbe28edaff425a7f5a85005b324262e88a638caa098abc2f4e7fc4e8e44d99

  • SSDEEP

    12288:s8ImEuiETpbmqOwYG0JHK9Do7Uw82OpdYL445DR8jIQpOQgMUA23RzD1Kl4Ev5kR:s8I+b9CG0JHKG718izDa+x

Malware Config

Extracted

Family

formbook

Version

4.1

Campaign

hd05

Decoy

businessjp6-51399.info

countyyoungpest.com

taxilasamericas.com

stairs.parts

nrgsolutions.us

cbdgirl.guru

dropshunter.net

adorabubble.co.za

alcohomeexteriors.com

aquariusbusiness.info

zaginione.com

pintoresmajadahonda.com

fursace.club

musiletras.co

carpoboutiquehotel.com

redacted.investments

symplywell.me

lezxop.xyz

stmbbill.com

1509068.cc

Signatures

  • Formbook

    Formbook is a data stealing malware which is capable of stealing data.

  • Detects executables packed with SmartAssembly 1 IoCs
  • Formbook payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe
    "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2612
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NFOLsr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2660
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NFOLsr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4BA0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2592
    • C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe
      "C:\Users\Admin\AppData\Local\Temp\2ece30c08f63f4fdc4d7326b39aa0066938163811e35d1aef6ddd2e0fada475f.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      PID:2464

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp4BA0.tmp

    Filesize

    1KB

    MD5

    9910e40d8d756cfa9e89fbd9b0e44e94

    SHA1

    09d4a8e275a4ebaafb2b06fcc7a63b22605de235

    SHA256

    df7e6704408bb0e29c30e0134368689854012495d3eace67278e03886f762390

    SHA512

    e0c75ebb381371c1f4ed830082848777e4dff32b22a98443c0d7c43a7e4b886dcf2f7ecf24c80a40237db9b8af13c94108c0134f18966ce1994cbd175a07c184

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\YP6B64TO70DVD0BSBNTY.temp

    Filesize

    7KB

    MD5

    13537d7942c5056dfe8c31dfebe2dc96

    SHA1

    1a2bf7b48adc8d3ce86dfd5060b5b14cd2b4c793

    SHA256

    739d43863e6c420193611c7cb88bea126eb26e4bfedbd40db00a1a8b2e7ce9e1

    SHA512

    22308d4c802354cdbccd0cd74950f592bce367f9ce36cf4e135a2cbe791344be2898b53f94e233a2a199ebbfef6ea85da21018892c89a95fb55ec4b70f6a3a55

  • memory/2388-6-0x0000000002020000-0x0000000002096000-memory.dmp

    Filesize

    472KB

  • memory/2388-3-0x00000000004B0000-0x00000000004CE000-memory.dmp

    Filesize

    120KB

  • memory/2388-4-0x0000000000540000-0x0000000000550000-memory.dmp

    Filesize

    64KB

  • memory/2388-5-0x0000000000550000-0x0000000000566000-memory.dmp

    Filesize

    88KB

  • memory/2388-0-0x000000007491E000-0x000000007491F000-memory.dmp

    Filesize

    4KB

  • memory/2388-2-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2388-1-0x0000000000AE0000-0x0000000000BA0000-memory.dmp

    Filesize

    768KB

  • memory/2388-25-0x0000000074910000-0x0000000074FFE000-memory.dmp

    Filesize

    6.9MB

  • memory/2464-19-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2464-24-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB

  • memory/2464-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2464-21-0x0000000000400000-0x000000000042F000-memory.dmp

    Filesize

    188KB